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Welcome to the Runner's World Show, or for some of you, welcome back to the Runner's World

Show after our one week break.

We are now part of the Panoply Network.

I'm David Willie, and this week we head out to the track, but probably not the kind of track you'd expect.

I mean the race track for a look at the surprising relationship between running and NASCAR.

Then in the kick, we bring things back to the more familiar Oval for a preview of the upcoming

Olympic track and field trials.

They begin tomorrow in Eugene, Oregon, and I'm excited to say I'll be sitting right in the stands

at Historic Hayward Field when they do.

The trials really are one of my favorite things in the sport.

It's day after day after day of great competition, household names, obscure athletes you've never heard of,

all vying for spots on the Olympic team.

And inevitably something surprising happens and just about every day, something inspiring happens.

So we'll touch on a few storylines that will be worth following for the next 10 days.

Thanks for joining us.

Here at Runner's World, we love learning about how running enhances people's lives, about how being a strong runner can

help you be better at just about anything else. We especially love hearing about the vital role

...